[vtk-developers] Why is BuildShaders() continuously being called?

Milef, Nicholas Boris milefn at rpi.edu
Fri Sep 9 17:47:10 EDT 2016

Under what conditions are shaders actually rebuilt? This seems to be the source of my performance issues and I need to know how to avoid this. The function I'm referring to is in vtkOpenGLPolyDataMapper(). It seems that they get rebuilt when an object gets modified, is this true?

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